Geosciences, Volume 8, Issue 12 (December 2018) – 71 articles
Cover Story (view full-size image): In March 2012, Tagoro, the most recently discovered shallow submarine volcano on the Canary Islands, Spain, became an active hydrothermal system involving a release of heat and gases that produce significant physical–chemical anomalies in the surrounding waters. Our results highlight that the hydrothermal system exhibited stationary cyclic degassing behavior with a strong peak of a 140-min period centered on a significant interval of 130–170 min at 99.9% confidence. Moreover, important physical–chemical anomalies are still present in the interior of the main crater, such as (i) a thermal increase of +2.55 °C, (ii) a salinity decrease of -1.02, (iii) a density decrease of -1.43 (kg∙m−3), and (iv) a pH decrease of -1.25 units. This confirms that, five years after its origin, the submarine volcano Tagoro is still actively in a degassing phase. View this paper
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